Debian Imaging Image script packages

Auto Adjust Photo is een klein hulpmiddel(opdrachtregel) om van afbeeldingen automatisch de kleuren te corrigeren. Het probeert de afbeeldingen er beter uit te laten zien. Het programma analyseert de afbeelding en bepaalt hiervoor dan het meest optimale contrast, gamma, kleurbalans en verzadiging.

A simple (yet useful and free) tool for creating client-side image maps, supporting GIF and JPEG images.

The Vector Graphics package of the FreeHEP Java Library enables any Java program to export to a variety of vector graphics formats as well as bitmap image formats. Among the vector formats are Encapsulated PostScript (EPS), Portable Document Format (PDF), Enhanced Meta Format (EMF), Scalable Vector Graphics (SVG), and Flash (SWF), while the image formats include GIF, PNG, JPG and PPM.

This package contains the FreeHEP GraphicsIO Base Library.

pngquant is a command-line conversion utility to quantize and dither truecolor PNG images, especially those with a full alpha channel, down to 8-bit (or smaller) RGBA-palette PNGs. Such images are usually two to four times smaller than the full 32-bit versions, and partial transparency is preserved quite nicely. This makes pngquant especially useful both for Web sites and for PlayStation 2 development, where one of the texture formats is RGBA-palette-based (though not PNG-compressed). This is the same technique used for many of the images on the Miscellaneous Transparent PNGs page (http://www.libpng.org/pub/png/pngs-img.html), and the results are often indistinguishable from the original, truecolor PNG images.

Optimizers (like pngcrush and optipng) optimize the compression, usually losslessly, while pngquant quantizes colors down to 256 (or fewer) distinct RGBA combinations, which is lossy.

GraphicsMagick provides a set of command-line applications to manipulate image files. It is a fork of the ImageMagick project and therefore offers a similar set of features, but puts a larger emphasis on stability.

The tools support a large variety of image formats from the widely used jpeg, tiff, bmp or xpm to special-purpose formats such as fits or image formats found on some photo CDs. They can convert between formats, concatenate several images into one, annotate and distort them, create thumbnails or manipulate the colormap. While all features are available from the command-line, the package also includes an image viewer that allows interactive manipulation.

Note that unlike ImageMagick, the GraphicsMagick tools are accessed through a single executable called 'gm'. Therefore, GraphicsMagick and ImageMagick can be used in parallel. Install package graphicsmagick-imagemagick-compat to obtain a set of several executables that is compatible to ImageMagick's interface.

It includes algorithms implemented in C++ for speed while operating in numpy arrays.